Single-player games like Slime Wars
Below are 9 single-player Steam games similar to Slime Wars, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Slime Wars page.
Ranked picks
- 1

Brave Meow World
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Strategy and Casual with Slime Wars.
A lightweight strategy game about controlling cat soldiers to defeat enemies and defend the base
- 2

Scarecropia
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.
Here is Scarecropia! Lead at most 400 people to build a settlement. Arm your village to fight against the Goblin army, or invest limited resources in yourself to become unparalleled! Take every cost to survive!
- 3

DOTS VS PIXELS
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.
POINT CLOUDS HAVE INVADED YOUR FAVORITE PIXEL ART APP. Up to 1,000,000,000,000 dots flow like a fluid, hunt your core and chew through everything you paint. Your only power: the pencil. Draw walls, survive the siege, unlock broken builds. BUILD. RESIST. OVERFLOW.
- 4

Field & Sky
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Strategy and Casual with Slime Wars.
Field & Sky is a realistic open-world homestead builder where you inherit family land and shape it into a thriving rural property. Build farms, raise livestock, connect to a nearby town, and explore your land from above or at ground level at your own pace.
- 5

Templar Castle Builder
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.
Besiege and conquer the castles and towns of your enemies. Build siege machines and train your army to assault the fortified cities but do not neglect your defence system. Change the course of history, and do not let the Templar Order fall.
- 6

Attack on Toys
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.
Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!
- 7

Medieval Kingdom Wars
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.
Rewrite medieval history through bloody siege combat in a fusion of RTS and Grand Strategy genres. Rule, build, and serve your King as a minor lord in medieval Europe. Experience siege, field and naval combat with an unseen degree of brutality. Rogue-like progression, epic towns and battles await…
- 8

Stronghold: Definitive Edition
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Strategy with Slime Wars.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 9

Winter is here
Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.
Build the camp by day, hold the keep by night. A top-down tower defence and base builder in a frozen, emptied-out world. Single player.